Research Article

Privacy Preserving for Multiple Sensitive Attributes against Fingerprint Correlation Attack Satisfying c-Diversity

Function 2

.
Input:
 = , all in the whole dataset T
r: source record to create FB, it can be or ,
: no. of records in the actual dataset T
: linkability control factor
k: k-anonymity level (minimum FB size)
: any category of SA in category Table 8
: any category of SA in category Table 8
Output: -anonymous records in each
 = {}
  
  
   =  //if e.g.  = 2, will select max 2 //records having same physician
   = distinct , //where and
   =